9-21
175873-1CD
HW1483557
9
Maintenance and Inspection
9.3 Grease Replenishment/Exchange
VS100
9.3.7.2 Grease Exchange
(Refer to
Fig. 9-9 “B- and T-Axes Speed Reducers and Gears”
1. Remove the hexagon socket head cap screw M6x6 from the grease
exhaust port.
2. Remove the hexagon socket head plug PT1/8 from the grease inlet
and install the grease zerk PT1/8. (The grease zerk is delivered with
the manipulator.)
3. Inject grease through the grease inlet using a grease gun.
– Grease type:
Molywhite RE.No.00
– Amount of grease:
1200 cc
– Air supply pressure of grease pump: 0.3 MPa or less
– Grease injection rate:
8 g/s or less
4. The grease exchange is completed when new grease appears from
the grease exhaust port. The new grease is distinguished from the old
grease by color.
5. Move the B-axis for a few minutes to discharge excess grease.
6. Wipe the discharged grease with a cloth and reinstall the screw M6x6
on the grease exhaust port. Apply ThreeBond 1206C to the thread
part of the set screw, and tighten the set screw with a tightening torque
of 6 N
•
m (0.6 kgf
•
m).
7. Remove the grease zerk from the grease inlet and reinstall the plug
PT1/8. Apply ThreeBond 1206C to the thread part of the plug, and
tighten the plug with a tightening torque of 4.9 N
•
m (0.5 kgf
•
m).
NOTE
• If grease is injected with the screw on, the grease will leak
inside the motor and may cause a damage. Make sure to
remove the screw before the grease injection.
• Do not install a joint, a hose, etc. to the grease exhaust
port. Failure to observe this instruction may result in
damage to the motor due to coming off of an oil seal.
NOTE
If the screw is installed while the grease is being exhausted,
the grease will leak inside the motor and may cause a
damage. Ensure that the grease has been completely
exhausted before installing the screw.
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